Captivate your audience
Stunning visuals. Striking presentations: Experience exceptionally sharp text and images with 4K resolution on a large format monitor that is optimized for text.

More ways to display: Conveniently select from predefined templates with the Easy Arrange feature on Dell Display Manager software. Quickly tile and arrange your applications and get back to work faster with Auto-restore, a feature that remembers where you left off.

Dynamic colors. Crisp details: A wide 178°/178° viewing angle lets you and your team see fine details and vibrant colors from either side of the room.

Optimize your meeting spaces
Stay on schedule: Keep your meetings on track with a wide range of ports that allow you to easily connect and transition between presenters.

Simplify Your Control: Automatically wake-up and shutdown your monitor and other devices while connected to compatible HDMI CEC devices.

Seamless management: The RJ45 & RS232 allow you to conveniently control your monitors via the network or meeting room control systems.

Lock it down: Reduce display changes in high traffic environments with lock mode, a feature that allows IT to control menu and power options.

Peace of mind, guaranteed
A brand you can rely on:
As the No. 1 monitor brand worldwidei, we take pride in our unyielding commitment to quality and the utmost customer satisfaction.

Advanced Exchange Service:
Your monitor comes with a 3-year Advanced Exchange Servicei so that if a replacement becomes necessary, it will be shipped to you the next business day during your 3-year Limited Hardware Warrantyi. Upgrade to 24x7 specialized technical phone support with Dell ProSupport options.

Reliable and responsible:
Designed with the environment in mind, this monitor meets the latest regulatory and environmental standards such as ENERGY STAR 7®, China Energy Label (CEL), WEEE, ErP (EuP) Standards, Korea e-Standby.

Specification

Product
Product id	647942
Brand	Dell
Partnr	210-ARCT
EAN/UPC code	5415247218616
Display
Display diagonal	55 inch
Display resolution	3840 x 2160 Pixels
Display brightness	350 cd/m²
HD type	4K Ultra HD
Touchscreen	N
Native aspect ratio	16:9
Response time	8 ms
Contrast ratio (typical)	4000:1
Viewing angle, horizontal	178 °
Viewing angle, vertical	178 °
Display number of colours	1.073 billion colours
Pixel pitch	0.315 x 0.315 mm
Display diagonal (metric)	139.7 cm
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 900, 1920 x 1080 (HD 1080), 3840 x 2160
LED type	LED light bar system
Hardness	3H
Colour gamut	72 procent
Horizontal scan range	30 - 160 kHz
Vertical scan range	23 - 80 Hz
Supported video modes	480p, 576p, 720p, 1080i, 1080p, 2160p
Ports & interfaces
HDMI ports quantity	2
HDMI version	2.0
VGA (D-Sub) input ports	1
DisplayPorts quantity	1
USB port	Y
USB ports quantity	4
USB version	3.2 Gen 1 (3.1 Gen 1)
Ethernet LAN	Y
Ethernet LAN (RJ-45) ports	1
Audio (L/R) in	2
RS-232 interface	Y
Audio
Built-in speaker(s)	Y
Number of built-in speakers	2
RMS rated power	20 W
Design
Design	Digital signage flat panel
Product colour	Black
Placement supported	Indoor
Orientation	Vertical
VESA mounting	Y
Panel mounting interface	400 x 400 mm
Bezel width (top)	15.7 mm
Bezel width (side)	15.7 mm
Bezel width (bottom)	25.55 mm
Performance
Purpose	Corporate
Power
Power consumption (typical)	90 W
Power consumption (off)	0.5 W
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Heat dissipation	307.8 BTU/h
Computer system
Computer system	N
Windows operating systems supported	Y
Weight & dimensions
Width	1241 mm
Depth	64.8 mm
Height	721.5 mm
Weight	20500 g
Packaging data
Package weight	27570 g
Packaging content
Handheld remote control	Y
Cables included	AC, DisplayPort, HDMI, USB, VGA
Warranty card	Y
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 80 procent
Storage temperature (T-T)	-20 - 60 °C
Storage relative humidity (H-H)	10 - 90 procent
Operating altitude	0 - 5000 m
Non-operating altitude	5000 - 12192 m
Certificates
Certification	CEL, WEEE, ErP, TCO, BFR/PVC free
Technical details
Sustainability certificates	RoHS, ENERGY STAR
Other features
Display brightness (peak)	350 cd/m²
Maximum refresh rate	60 Hz
Quick start guide	Y
Display technology	LCD